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Electrical Supply Circuit Breaker Manufacturer High Quality MCCB 3 Pole 630A Model. High Breaking Capacity: Safely handles and stops strong fault currents in AC circuits. 3-Pole Design: Protects all three phase lines against overloads and short circuits. Multi-Function Protection: Provides overcurrent, overload, and short-circuit protection. OEM/ODM Customization: Customize products with your own logos and designs. Multiple Installation Options: Supports front, rear, and plug-in connection methods. Certified Quality: Meets CCC, CE, and RoHS standards for safety and compliance. Fast Response Time: Customer inquiries are responded to within 24 hours.